LMH1980MM/NOPB National Semiconductor, LMH1980MM/NOPB Datasheet
LMH1980MM/NOPB
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LMH1980MM/NOPB Summary of contents
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... FIGURE 1. Pinout Ordering Information Package Part Number LMH1980MM 10-ld. MSOP LMH1980MMX © 2007 National Semiconductor Corporation Features ■ Analog video sync separation for NTSC, PAL, 480I/P, 576I/P, 720P, 1080I/P/PsF, and many VESA-compatible timing formats ■ Composite Video (CVBS), S-Video (Y/C), and Component Video (YP ■ ...
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... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. ESD Tolerance (Note 2) Human Body Model Machine Model Supply Voltage Video Input Electrical Characteristics Unless otherwise specified, all limits are guaranteed for T Boldface limits apply at the temperature extremes ...
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Note 11: Maximum voltage offset (DC bounce) between 2 consecutive input sync tips must be less than 25 mV signals to occur. Note 12: Outputs are negative-polarity logic signals, except for Odd/Even Field. LMH1980 Test Circuit The LMH1980 test circuit ...
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SDTV Vertical Interval Timing Diagrams (NTSC, PAL, 480I, 576I) www.national.com FIGURE 3. NTSC Odd Field Vertical Interval FIGURE 4. NTSC Even Field Vertical Interval 4 30010303 30010304 ...
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EDTV Vertical Interval Timing Diagram (480P, 576P) HDTV Vertical Interval Timing Diagram (720P, 1080P) FIGURE 5. 480P Vertical Interval FIGURE 6. 720P (1080P) Vertical Interval 5 30010305 30010314 www.national.com ...
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HDTV Vertical Interval Timing Diagrams (1080I) www.national.com FIGURE 7. 1080I Field 1 Vertical Interval FIGURE 8. 1080I Field 2 Vertical Interval 6 30010306 30010307 ...
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SD/EDTV Horizontal Interval Timing Diagram FIGURE 9. SD/EDTV Horizontal Interval with Bi-level Sync SDTV Horizontal Interval Timing Characteristics 25°C, No Input Filter, PAL Video Input from Tek TG700 Generator with AVG7 SD video module ...
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HDTV Horizontal Interval Timing Diagram FIGURE 10. HDTV Horizontal Interval with Tri-level Sync 25°C, No Input Filter, 1080I Video Input from Tek TG700 Generator with AWVG7 HD module CC A Symbol Parameter td Composite ...
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Application Information GENERAL DESCRIPTION The LMH1980 is designed to extract the timing information from various video formats with standard and non-standard vertical serration and output the syncs and relevant timing signals in CMOS logic. Its advanced features and easy ap- ...
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FIGURE 11. External Switch-Controlled Chroma Filter video input with bi-level sync used removed to disable chroma filtering. This is necessary be- cause HD will output logic high (like in the SD video ...
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FIGURE 13. Bi-modal Timing on HSync's Trailing Edge for Half-Width Pulses for NTSC Vertical Sync Output VSOUT (pin 7) produces a negative-polarity vertical sync sig- nal, or VSync. VSync's negative-going leading edge is de- rived from the first vertical serration ...
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LMH1980 IC Placement The LMH1980 should be placed such that critical signal paths are short and direct to minimize PCB parasitics from degrad- ing the video ...
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Physical Dimensions inches (millimeters) unless otherwise noted 10-Pin MSOP NS Package Number MUB10A 13 www.national.com ...
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